Clip udiv to 5 bits on PPC405 (serial.c).

22 years ago · 7e11d8269e
parent 38daa27d21
commit 7e11d8269e
1 changed files with 2 additions and 0 deletions
--- a/cpu/ppc4xx/serial.c
+++ b/cpu/ppc4xx/serial.c
@ -451,6 +451,8 @@ int serial_init (void)
 #else
 	tmp = CFG_BASE_BAUD * 16;
 	udiv = (clk + tmp / 2) / tmp;
+	if (udiv > 32)                          /* max. 5 bits for udiv */
+		udiv = 32;
 #endif
 #endif